參數(shù)資料
型號(hào): T89C51RD2-DDFI-L
廠商: Atmel Corp.
英文描述: IC - OPTOISOLATOR 4N28
中文描述: 0至40MHz可編程閃存8位微控制器
文件頁數(shù): 118/170頁
文件大?。?/td> 1927K
代理商: T89C51RD2-DDFI-L
118
A/T89C51CC01
4129L–CAN–08/05
Table 91.
CANIDM4 Register for V2.0 part B
CANIDM4 for V2.0 part B (S:C7h)
CAN Identifier Mask Registers 4
Note:
The ID Mask is only used for reception.
No default value after reset.
Table 92.
CANMSG Register
CANMSG (S:A3h)
CAN Message Data Register
No default value after reset.
7
6
5
4
3
2
1
0
IDMSK 4
IDMSK 3
IDMSK 2
IDMSK 1
IDMSK 0
RTRMSK
-
IDEMSK
Bit
Number
Bit Mnemonic Description
7-3
IDMSK4:0
IDentifier Mask Value
0 - comparison true forced.
1 - bit comparison enabled.
See Figure 50.
2
RTRMSK
Remote Transmission Request Mask Value
0 - comparison true forced.
1 - bit comparison enabled.
1
-
Reserved
The value read from this bit is indeterminate. Do not set this bit.
0
IDEMSK
IDentifier Extension Mask Value
0 - comparison true forced.
1 - bit comparison enabled.
7
6
5
4
3
2
1
0
MSG 7
MSG 6
MSG 5
MSG 4
MSG 3
MSG 2
MSG 1
MSG 0
Bit
Number
Bit Mnemonic Description
7-0
MSG7:0
Message Data
This register contains the mailbox data byte pointed at the page message
object register.
After writing in the page message object register, this byte is equal to the
specified message location (in the mailbox) of the pre-defined identifier +
index. If auto-incrementation is used, at the end of the data register writing or
reading cycle, the mailbox pointer is auto-incremented. The range of the
counting is 8 with no end loop (0, 1,..., 7, 0,...)
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